The students presented plans for their gravity cars to PCNA subject matter experts for feedback on design and functionality.
The visit was an important step on their path to the Georgia Gravity Games next month.
The Georgia Gravity Games is a state-wide competition that gives students a chance to race their gravity cars against other teams from across the state.
Peachtree Charter Middle School is located in Dunwoody. It's part of the DeKalb County School District.